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RF 24-105 f4 on full frame v EF-S 17-55 2.8 on crop?

Scenes

Filmmaker
Jun 12, 2014
156
150
7,213
UK
Hi guys. I shoot a lot of video with a 90D (80D before that and 70D before that) with a 17-55 f2.8.

I’m excited by the R6 and wondered how using it with an RF 24-105 f4 compares to what I’m used to, specifically with presenter talking to camera type stuff. I‘ve never used a full frame before and know the range matches but was wondering how the depth of field would compare?

Will being closer to the subject and the larger sensor offset losing a stop of light? It’s surprisingly hard to find mid shot portraits taken at 24m to get an idea. Lol.